<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <title>配置页面标题</title>
  <link type="text/css" href="css/style.css" rel="stylesheet">
</head>

<body>
  <div class="header">
    <span></span><span style="line-height: 40px;display: block;color: #ffffff; font-size: 18px;text-align: center;">测试设备配置</span>
  </div>
</body>

</html>